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Those logic questions that throw you off balance!
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youcan'tstopusnow
#41 Posted : Friday, April 26, 2013 4:00:57 PM
Rank: Chief

Joined: 3/24/2010
Posts: 6,779
Location: Black Africa
symbols wrote:
karqui wrote:


Good one.These are some of those questions I'd rather not find out the answer to.


What a competitor!
GOD BLESS YOUR LIFE
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symbols
#42 Posted : Friday, April 26, 2013 7:18:58 PM
Rank: Elder

Joined: 3/19/2013
Posts: 2,552
symbols wrote:
Mainat wrote:
symbols wrote:
This one introduced me to such questions.

Three men in a cafe order a meal the total cost of which is $15. They each contribute $5. The waiter takes the money to the chef who recognizes the three as friends and asks the waiter to return $5 to the men.

The waiter is not only poor at mathematics but dishonest and instead of going to the trouble of splitting the $5 between the three he simply gives them $1 each and pockets the remaining $2 for himself.

Now, each of the men effectively paid $4, the total paid is therefore $12. Add the $2 in the waiters pocket and this comes to $14.....where has the other $1 gone from the original $15?


5*3=15
15-5=10
10+3=13
Waiter has pocketed $2.
No difference


That's right.My problem was accounting for the $1 when you start with $4.


Its a trick question.The $1 doesn't exist.

4*3 = 12 where $10 goes to the chef and $2 to the waiter.No need to add two again.
3*1 = 3 + 12 = 15
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urstill
#43 Posted : Sunday, July 14, 2013 3:05:01 AM
Rank: Member

Joined: 1/28/2013
Posts: 182
If a physically disabled(legs) lands on a blind man's wife airport and the only person who saw it is deaf/dumb(whatever!!!). How can the dumb guy report it to the blind?
Man must live!
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  | | Edit by user: Sunday, July 14, 2013 3:09 AM | Reason: Not specified
Digital
#44 Posted : Sunday, July 14, 2013 6:21:57 AM
Rank: Hello

Joined: 7/13/2013
Posts: 7
symbols wrote:
symbols wrote:
Mainat wrote:
symbols wrote:
This one introduced me to such questions.

Three men in a cafe order a meal the total cost of which is $15. They each contribute $5. The waiter takes the money to the chef who recognizes the three as friends and asks the waiter to return $5 to the men.

The waiter is not only poor at mathematics but dishonest and instead of going to the trouble of splitting the $5 between the three he simply gives them $1 each and pockets the remaining $2 for himself.

Now, each of the men effectively paid $4, the total paid is therefore $12. Add the $2 in the waiters pocket and this comes to $14.....where has the other $1 gone from the original $15?


5*3=15
15-5=10
10+3=13
Waiter has pocketed $2.
No difference


That's right.My problem was accounting for the $1 when you start with $4.


Its a trick question.The $1 doesn't exist.

4*3 = 12 where $10 goes to the chef and $2 to the waiter.No need to add two again.
3*1 = 3 + 12 = 15



They each paid $3.33 i.e (15-5)/3 for the meal, $0.67 i.e 2/3 to the waiter(though not voluntarily) and pocketed $1 each as discount. In summary (3.33+0.67+1)3=15
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  | | Edit by user: Sunday, July 14, 2013 6:42 AM | Reason: Not specified
sparkly
#45 Posted : Sunday, July 14, 2013 10:45:55 AM
Rank: Elder

Joined: 9/23/2009
Posts: 8,083
Location: Enk are Nyirobi
symbols wrote:
Mr. Black, Mr. Gray, and Mr. White are fighting in a truel. They each get a gun and take turns shooting at each other until only one person is left. Mr. Black, who hits his shot 1/3 of the time, gets to shoot first. Mr. Gray, who hits his shot 2/3 of the time, gets to shoot next, assuming he is still alive. Mr. White, who hits his shot all the itime, shoots next, assuming he is also alive. The cycle repeats. If you are Mr. Black, where should you shoot first for the highest chance of survival?


Best strategy is to eliminate White first, who has a 100% success rate. Black might then get a second chance at shoot-out with Gray.

Black has a accuracy of 1/3. That works out to 2/3 chance of hitting a target he doesn't intend.

Black should therefore shoot at Gray knowing he has a 2/3 chance of hitting White.
Life is short. Live passionately.
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sherrif
#46 Posted : Sunday, July 14, 2013 11:30:23 AM
Rank: Member

Joined: 7/27/2012
Posts: 169
McReggae wrote:
symbols wrote:
I was thinking I would shoot at Mr.White.That way if Mr.Grey misses Mr.White and is taken out,I will have increased my chances of taking out Mr.White,the true threat.But if I hit Mr.White,there is still the possibility of Mr.Grey missing me.


...I hope now you agree that it is better for Mr. Black not to take out any of them in the 1st round!!!!


Assuming that each player has one bullet,then Mr.Black with only 1/3 success rate should go for Mr. White and miss,leaving Gray to take out white cz black ceases to be a threat.
So why should Gray even bother to kill Black yet hana bullet?
If it's a must that one stands then Gray wins.
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  | | Edit by user: Sunday, July 14, 2013 11:34 AM | Reason: Not specified
nostoppingthis
#47 Posted : Tuesday, July 16, 2013 4:27:03 PM
Rank: Chief

Joined: 8/24/2009
Posts: 5,909
Location: Nairobi
urstill wrote:
If a physically disabled(legs) lands on a blind man's wife airport and the only person who saw it is deaf/dumb(whatever!!!). How can the dumb guy report it to the blind?


@urstill, toa marking scheme basi...
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